THE FLEX ADVANTAGE - 20% more power with 24V lithium, 25% longer runtime with THERMA-TECH heat management, up to 50% faster charging with high-power, dual fan chargers POWERFUL SOUND - Delivered via dual full-range speakers and a 5-1/4-inch subwoofer FLEX STACK PACK COMPATIBILITY - Attaches to select FLEX STACK PACK storage solutions via quick-connect latches for easy transportation, organization, and jobsite listening 150-FOOT BLUETOOTH RANGE - Pair up to two radios and stream audio wirelessly up to 150 feet away WEATHER-RESISTANT - IP64-rated protection withstands wet and dusty jobsite conditions PASS-THROUGH CHARGING - Connect radio via AC cord and charge FLEX 24V battery simultaneously FLEX 24V CROSS-COMPATIBILITY - Compatible with all FLEX 24V batteries, chargers, and tools FLEX 5-YEAR LIMITED WARRANTY - Register your new FLEX tool, battery, or charger within 30 days of purchase to receive a 5-year limited warranty; 3-year limited warranty without registration